body {
    background-color: gainsboro;
    font-size: 16px;
}

.div_top_1 {
    height: 140px;
    width: 100%;
}

.div_top_2 {
    height: 50px;
    width: 100%;
}

.main {
    width: 417.683px;
    height: 440px;
    background-color: #FFFFFF;
    margin: 0 auto;

}

.login {

    width: 360px;
    height: 360px;
    background-color: #FFFFFF;
    margin: 0 auto
}

.div_login_head {
    height: 36px;
    background-color: #FFFFFF;
    margin: 0 auto;
    line-height: 36px;
    text-align: center;
    color: #666;
    border-bottom: 3px solid #21b351;
    font-size: 18px;
    line-height: 24px;
    margin-bottom: -1px;
    font-family: "PingFang SC", "Microsoft yahei", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
}

.div_input_account {
    width: 360px;
    height: 40px;

}

.div_input_pwd {
    width: 360px;
    height: 24px;

}

.input_account, .input_pwd {
    width: 360px;
    height: 40px;
    border: none;
    border-bottom: #ddd 1px solid;
    border-radius: 0;
    outline: 0;
    font: inherit;
    font-size: .875rem;
}

.div_button_login {
    width: 360px;
    height: 40px;
    margin-top: 36px;
    text-align: center;

}

.button_login {
    width: 180px;
    height: 40px;
    background: #1fa54a;
    font-size: 16px;
    cursor: pointer;
    color: white;
    border: none;
    border-radius: 2px;
    outline: 0;

}

.div_empty {
    width: 360px;
    height: 24px;

}
.div_error {
    width: 360px;
    height: 24px;
    text-align: center;
}
.span_error{

    color: #e35b5a;
    font-size: 13px;
}